// pages/groupon/grouponList/grouponList.js
var util = require('../../../utils/util.js');
var api = require('../../../config/api.js');
var app = getApp();

Page({

    /**
     * 页面的初始数据
     */
    data: {
        grouponList: [],
        page: 1,
        limit: 10,
        count: 0,
        scrollTop: 0,
        showPage: false
    },

    /**
     * 生命周期函数--监听页面加载
     */
    onLoad: function (options) {
        this.getGrouponList();
    },

    /**
     * 生命周期函数--监听页面初次渲染完成
     */
    onReady: function () {

    },

    /**
     * 生命周期函数--监听页面显示
     */
    onShow: function () {

    },

    /**
     * 生命周期函数--监听页面隐藏
     */
    onHide: function () {

    },

    /**
     * 生命周期函数--监听页面卸载
     */
    onUnload: function () {

    },

    /**
     * 页面相关事件处理函数--监听用户下拉动作
     */
    onPullDownRefresh: function () {

    },

    /**
     * 页面上拉触底事件的处理函数
     */
    onReachBottom: function () {

    },

    /**
     * 用户点击右上角分享
     */
    onShareAppMessage: function () {

    },
    getGrouponList: function () {

        let that = this;
        that.setData({
            scrollTop: 0,
            showPage: false,
            grouponList: []
        });
        // 页面渲染完成
        wx.showToast({
            title: '加载中...',
            icon: 'loading',
            duration: 2000
        });

        util.request(api.GroupOnList, {
            page: that.data.page,
            limit: that.data.limit
        }).then(function (res) {
            if (res.errno === 0) {

                that.setData({
                    scrollTop: 0,
                    grouponList: res.data.list,
                    showPage: true,
                    count: res.data.total
                });
            }
            wx.hideToast();
        });

    },
    nextPage: function (event) {
        var that = this;
        if (this.data.page > that.data.count / that.data.limit) {
            return true;
        }


        that.setData({
            page: that.data.page + 1
        });

        this.getGrouponList();

    },
    prevPage: function (event) {
        if (this.data.page <= 1) {
            return false;
        }

        var that = this;
        that.setData({
            page: that.data.page - 1
        });
        this.getGrouponList();
    }
});